Absolutely fundamental part of every serious cyclists wardrobeisadore39s merino long sleeve base layer combines the natural characteristics of merino wool and long sleeve cut to bring you this key piece for any serious cyclists wardrobe odour resistant excellent perspiration wicking and thermoregulation properties keep you feeling fresh when in the saddleso soft on touch and itch free it will make you want to wear this isadore base layer even when not riding your bikemerino wool merino is